Remove the remote repository-access-through-zmq support
Modern methods such as the rqlcontroller cube + the cwclientlib library are the way forward.
Closes #2919297.
ifnotrql('CWConstraintType X WHERE X name "RQLUniqueConstraint"',ask_confirm=False):rql('INSERT CWConstraintType X: X name "RQLUniqueConstraint"',ask_confirm=False)